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12К412k4

Information - Help 
ID = 80644
       
Country:
Soviet Union
Brand: Common type USSR (SU) tube/semicond.
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to 12К4 = 12SG7
Similar Tubes
Heater different:
  6К4

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Radio/TV-reception etc.
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Parallel / series AC/DC
Dimensions (WHD)
incl. pins / tip
33 x 67 x mm / 1.30 x 2.64 x inch
 
12k4.jpg
12К4: S.D.
Siegfried Droese

 

from Just Qvigstad

Usage in Models 1= 1955??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1


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